The commissioner of transportation shall implement a noise-abatement study and noise abatement measures within or along the perimeter of freeways and expressways in incorporated areas contingent on the availability of funding, in accordance with section 116.07, subdivision 2a. The commissioner shall report to the legislature by February 1, 1997, on noise-abatement studies and measures undertaken during the previous calendar year and planned for the next three years under this subdivision. The study must include a survey of all applicable noise standards and feasible noise-abatement measures, and an evaluation of their ability to protect citizens.
(a) For the purpose of this section, sound-abatement measures include but are not limited to the following:
(1) traffic-management measures, including reduced speed limits or exclusion and rerouting of excessively noisy vehicles;
(2) design and construction measures, including use of sound-absorbing road surface materials, landscaping and planning, acquisition of buffer zones or noise insulation of buildings on abutting property;
(3) enforcement of the motor vehicle source noise limits of the Pollution Control Agency and of the federal Bureau of Motor Carrier Safety; and
(4) other measures designed for the purpose of reducing motor vehicle source noise or reducing the effects of that noise.
(b) The commissioner of public safety shall cooperate with the commissioner of transportation in implementing any sound-abatement measures that include law enforcement activities.